How to Replace the Battery in a VW Passat

Written by ehow cars editor
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The VW Passat is a mid-size sedan or station wagon favored by higher end shoppers looking for a reliable luxury car. Under the hood, you'll find most of the components covered with a black cover. The battery is located on the driver's side, just over the fender. Replace the battery if it has a low reading on the battery-testing meter or you see a white chalky substance forming under the cover.

Skill level:
Moderately Easy

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Things you need

  • New 12-volt battery
  • Flathead screwdriver
  • Goggles
  • Gloves
  • Old rags
  • Socket wrench
  • Wire brushes
  • Battery terminal puller

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Instructions

  1. 1

    Pop the cover off the battery with a flathead screwdriver.

  2. 2

    Remove the cables from the battery terminals with a battery terminal puller, taking off the negative cable first.

  3. 3

    Lift the battery out of the compartment and safely dispose of the used battery at an auto parts store or bring it to a recycling center.

  4. 4

    Use a wire brush to clean the tray that holds the battery. Wipe it off with a damp cloth and let it dry before replacing new battery. Dispose of the rags since they're covered with acid.

  5. 5

    Clean the insides of the connector cables with a pointed wire brush. Keep your gloves on at all times to avoid getting acid on your hands and wear glasses or goggles to protect your eyes.

  6. 6

    Place the new battery on the battery tray. Attach the correct cable on each terminal and tighten securely with pliers or socket wrench.

  7. 7

    Replace the cover by pushing firmly down on it over the battery compartment.

Tips and warnings

  • Some newer Passats come with a 2-year warranty on the battery.

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